:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --ink: #172033;
  --muted: #5d6575;
  --line: #dce3ef;
  --panel: #ffffff;
  --accent: #2856d6;
  --danger: #9c3328;
  --success: #1f6b46;
  --shadow: 0 18px 45px rgba(23, 32, 51, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: var(--accent);
}

.page {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.nav {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 14px;
}

.hero {
  padding: 34px 0 28px;
  margin-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.card {
  padding: 26px 0;
  border-bottom: 1px solid var(--line);
}

.form-panel {
  padding: 28px;
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid rgba(220, 227, 239, 0.95);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.subpanel {
  padding: 18px;
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

h1,
h2,
h3 {
  line-height: 1.18;
  letter-spacing: 0;
}

h1 {
  margin: 0 0 10px;
  font-size: 48px;
}

h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p {
  margin: 0 0 14px;
}

ul {
  margin: 0 0 14px 22px;
  padding: 0;
}

li {
  margin: 6px 0;
}

.muted,
.date {
  color: var(--muted);
}

.date {
  font-size: 14px;
  margin-bottom: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.link-card {
  display: block;
  min-height: 132px;
  padding: 18px;
  color: inherit;
  text-decoration: none;
  background: #f8fbff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.link-card strong {
  display: block;
  margin-bottom: 6px;
}

.form-grid {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

textarea {
  min-height: 160px;
  resize: vertical;
}

button {
  border: 0;
  border-radius: 8px;
  padding: 13px 18px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}

.notice {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #f8fbff;
}

.notice.is-visible {
  display: block;
}

.notice.success {
  border-color: rgba(31, 107, 70, 0.32);
  color: var(--success);
}

.notice.error {
  border-color: rgba(156, 51, 40, 0.32);
  color: var(--danger);
}

.honeypot {
  position: absolute;
  left: -10000px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 24px, 920px);
    padding-top: 24px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .hero,
  .card {
    padding: 22px 0;
  }

  h1 {
    font-size: 36px;
  }

  .form-panel {
    padding: 22px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}